Basic implementation of payment methods

database/migrations/2026_07_28_140020_create_event_payment_methods.php

@@ -12,8 +12,11 @@ return new class extends Migration {
         Schema::create('event_payment_methods', function (Blueprint $table) {
             $table->id();
             $table->foreignId('event_id')->constrained('events', 'id')->restrictOnDelete()->cascadeOnUpdate();
-            $table->foreignId('available_payment_method_id')->constrained('available_payment_methods', 'id')->restrictOnDelete()->cascadeOnUpdate();
+            $table->string('slug');
             $table->timestamps();
+
+            $table->foreign('slug')->references('slug')->on('payment_methods')->restrictOnDelete()->cascadeOnUpdate();
+            $table->unique(['event_id', 'slug']);
         });
     }